How To Solve Issues Related to Log – Expected; but did not find; a dynamic hosts list at

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Related Issues – selected resources on related issues  
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Troubleshooting background

To troubleshoot Elasticsearch log “Expected; but did not find; a dynamic hosts list at” it’s important to know common problems related to Elasticsearch concepts: discovery, discovery-file, hosts. See below-detailed explanations complete with common problems, examples and useful tips.

To help troubleshoot related issues we have gathered selected Q&A from the community and issues from Github , please review the following for further information :

Resolved Es7 0 1 Warn O E D Filebas


Github Issue Number 41795


Log Context

Log ”Expected; but did not find; a dynamic hosts list at” classname is
We have extracted the following from Elasticsearch source code to get an in-depth context :

<pre class="wp-block-syntaxhighlighter-code">             deprecationLogger.deprecated("Found dynamic hosts list at [{}] but this path is deprecated. This list should be at [{}] " +
                "instead. Support for the deprecated path will be removed in future."; legacyUnicastHostsFilePath; unicastHostsFilePath);
            return readFileContents(legacyUnicastHostsFilePath);

        logger.warn("expected; but did not find; a dynamic hosts list at [{}]"; unicastHostsFilePath);

        return Collections.emptyList();

    private List<String> readFileContents(Path path) {


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